The serial numbers on the slide, frame, and barrel all match (i.e., they are identical). The MATRIX is a Complete List of GLOCK Serial Numbers and Prefixes The GLOCK Collectors Association has been documenting GLOCK pistol models since 1995. MB = Ambi Mag Catch POW = FBI Personally Owned Weapon PN = 1+ & 1 Standard mag 7 = NY2 Only the two 43X and 48 slimline models have factory silver slides. How to Find the Age of White Sewing Machines, List of Manufacturers of Vintage Travel Trailers, How to Tell the Age of Delta Woodworking Equipment, Copyright 2021 Leaf Group Ltd. I asked if this is a common occurrence and Glock replied saying, 'It's not too common, I think it has to do with it being an import and a special order serial number, it is an older firearm'. The AA series started on October 1986 and took until March 1992 to hit ZZ.
